MCQOPTIONS
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MCQOPTIONS
This section includes 23 Mcqs, each offering curated multiple-choice questions to sharpen your Strength Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A rectangular beam of 500 mm wide is subjected to maximum shear force of 250kN, the corresponding maximum shear stress been 3 N/mm2. The depth of the beam is equal to ______ |
| A. | 200mm |
| B. | 250mm |
| C. | 300mm |
| D. | 350mm |
| Answer» C. 300mm | |
| 2. |
A spring used to absorb shocks and vibrations is called as _______ |
| A. | Conical spring |
| B. | Leaf spring |
| C. | Disc spring |
| D. | Torsion spring |
| Answer» C. Disc spring | |
| 3. |
The failing of a very long column is initially by ___________ |
| A. | Crushing |
| B. | Collapsing |
| C. | Buckling |
| D. | Twisting |
| Answer» D. Twisting | |
| 4. |
As per IS:800, the minimum thickness of web should not be less than ______ |
| A. | d/250 |
| B. | d/300 |
| C. | d/350 |
| D. | d/125 |
| Answer» B. d/300 | |
| 5. |
The allowable tensile stresses in steel structures is taken as 1500 kg /cm2 to ______ |
| A. | 1765 kg /cm2 |
| B. | 1900 kg /cm2 |
| C. | 2125 kg /cm2 |
| D. | 2455 kg/cm2 |
| Answer» D. 2455 kg/cm2 | |
| 6. |
GOST standards are used in _________ |
| A. | Italy |
| B. | Poland |
| C. | Russia |
| D. | Pakistan |
| Answer» D. Pakistan | |
| 7. |
Find the modulus of section of square beam of size 150 × 150 mm? |
| A. | 654.5m3 |
| B. | 550.85m3 |
| C. | 562.5m3 |
| D. | 586.9m3 |
| Answer» D. 586.9m3 | |
| 8. |
The maximum shear stress in an I section is __________ |
| A. | F/8I ×[B/b (D2-d2)+d2] |
| B. | F/6I ×[B/b (D2-d2)+d2] |
| C. | F/8I ×[B/b (D3-d3)+d2] |
| D. | F/4I ×[B/b (D2-d2)+d2] |
| Answer» B. F/6I ×[B/b (D2-d2)+d2] | |
| 9. |
1 GPA = ____________ pa. |
| A. | 105 |
| B. | 106 |
| C. | 108 |
| D. | 109 |
| Answer» E. | |
| 10. |
Shear stress at top most fibre of rectangular section is _____________ |
| A. | Maximum |
| B. | Minimum |
| C. | Zero |
| D. | Uniform through out |
| Answer» D. Uniform through out | |
| 11. |
THE_ALLOWABLE_TENSILE_STRESSES_IN_STEEL_STRUCTURES_IS_TAKEN_AS_1500_KG_/CM2_TO_______?$ |
| A. | 1765 kg /cm<sup>2</sup> |
| B. | 1900 kg /cm<sup>2</sup> |
| C. | 2125 kg /cm<sup>2</sup> |
| D. | 2455 kg/cm<sup>2</sup> |
| Answer» D. 2455 kg/cm<sup>2</sup> | |
| 12. |
The failing of a very long column is initially by_____$ |
| A. | Crushing |
| B. | Collapsing |
| C. | Buckling |
| D. | Twisting |
| Answer» D. Twisting | |
| 13. |
As_per_IS:800,_the_minimum_thickness_of_web_should_not_be_less_than______$ |
| A. | d/250 |
| B. | d/300 |
| C. | d/350 |
| D. | d/125 |
| Answer» B. d/300 | |
| 14. |
A spring used to absorb shocks and vibrations is called as_______ |
| A. | Conical spring |
| B. | Leaf spring |
| C. | Disc spring |
| D. | Torsion spring |
| Answer» C. Disc spring | |
| 15. |
Modulus of resilience is defined as __________ |
| A. | Resilience at ultimate stress |
| B. | Resilience per unit volume |
| C. | Resilience at proportional limit |
| D. | Resilience at elastic limit |
| Answer» C. Resilience at proportional limit | |
| 16. |
What is the allowable stress in cast iron? |
| A. | 3200 N/mm<sup>2</sup> |
| B. | 2400 N/mm<sup>2</sup> |
| C. | 3400 N/mm<sup>2</sup> |
| D. | 5500 N/mm<sup>2</sup> |
| Answer» E. | |
| 17. |
GOST standards are used in ________? |
| A. | Italy |
| B. | Poland |
| C. | Russia |
| D. | Pakistan |
| Answer» D. Pakistan | |
| 18. |
The minimum percentage elongation for mild steel is __________ |
| A. | 6% |
| B. | 13% |
| C. | 23% |
| D. | 34% |
| Answer» D. 34% | |
| 19. |
The percentage of carbon in structural steel is __________ |
| A. | 0.2 – 0.27 % |
| B. | 0.6 – 0.85 % |
| C. | 0.7 – 1.23 % |
| D. | 1.23 – 1.45% |
| Answer» B. 0.6 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 0.85 % | |
| 20. |
In steel sections, the junction between a flange and web is known as ________ |
| A. | Edge |
| B. | Fillet |
| C. | Corner |
| D. | Lug |
| Answer» C. Corner | |
| 21. |
The maximum shear stress in an I section is |
| A. | F/8I √ó[B/b (D<sup>2</sup>-d<sup>2</sup>)+d<sup>2</sup>]. |
| B. | F/6I √ó[B/b (D<sup>2</sup>-d<sup>2</sup>)+d<sup>2</sup>]. |
| C. | F/8I √ó[B/b (D<sup>3</sup>-d<sup>3</sup>)+d<sup>2</sup>]. |
| D. | F/4I √ó[B/b (D<sup>2</sup>-d<sup>2</sup>)+d<sup>2</sup>]. |
| Answer» B. F/6I ‚Äö√†√∂‚àö‚â•[B/b (D<sup>2</sup>-d<sup>2</sup>)+d<sup>2</sup>]. | |
| 22. |
1 GPA = _____ pa. |
| A. | 10<sup>5</sup> |
| B. | 10<sup>6</sup> |
| C. | 10<sup>8</sup> |
| D. | 10<sup>9</sup> |
| Answer» E. | |
| 23. |
Shear stress at top most fibre of rectangular section is _____ |
| A. | Maximum |
| B. | Minimum |
| C. | Zero |
| D. | Uniform through out |
| Answer» D. Uniform through out | |